Fix backward compatibility tests (#66186)

Compare operator list against RC1 build rather than against nightly

diff --git a/.jenkins/pytorch/test.sh b/.jenkins/pytorch/test.sh
index 3f39431..a063751 100755 (executable)
--- a/.jenkins/pytorch/test.sh
+++ b/.jenkins/pytorch/test.sh
@@ -424,7 +424,7 @@ test_backward_compatibility() {
   python -m venv venv
   # shellcheck disable=SC1091
   . venv/bin/activate
-  pip_install --pre torch -f https://download.pytorch.org/whl/nightly/cpu/torch_nightly.html
+  pip_install --pre torch -f https://download.pytorch.org/whl/test/cpu/torch_nightly.html
   pip show torch
   python dump_all_function_schemas.py --filename nightly_schemas.txt
   deactivate